ammonium sulfate

ammonium sulfate,

chemical compound, (NH4)2SO4, a colorless-to-gray, rhombohedral crystalline substance that occurs in nature as the mineral mascagnite. It is soluble in water and insoluble in alcohol or liquid ammonia. It is prepared commercially by passing ammoniaammonia,chemical compound, NH3, colorless gas that is about one half as dense as air at ordinary temperatures and pressures. It has a characteristic pungent, penetrating odor......Click the link for more information., obtained from destructive distillation of coal, into sulfuric acid and is used as a fertilizerfertilizer,organic or inorganic material containing one or more of the nutrients—mainly nitrogen, phosphorus, and potassium, and other essential elements required for plant growth......Click the link for more information., in preparing other ammonium compounds, and for fireproofing.

ammonium sulfate

[ə′mōn·yəm ′səl‚fāt]

(inorganic chemistry)

(NH4)2SO4 Colorless, rhombic crystals which melt at 140°C and are soluble in water.

In brief, we treated plasma samples with ammonium sulfate (50% of saturation) at 4[degrees]C, and after centrifugation, we measured testosterone in supernatant by RIA after organic extraction and diatomaceous earth (Celite) purification.

On June 15, 2016, the Department of Commerce (Commerce) announced the initiation of antidumping duty (AD) and countervailing duty (CVD) investigations of imports of ammonium sulfate from the Peoples Republic of China (China).

Fertiliser company Rentech Nitrogen Partners (NYSE:RNF) reported on Monday the completion of the ammonium sulfate (AS) debottlenecking and the commissioning phase of the project at its Pasadena Facility.

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